ARM: SAMSUNG: Add keypad device support

This patch adds Samsung keypad device definition for Samsung SoCs.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

1 files changed, 50 insertions, 0 deletions

diff --git a/arch/arm/plat-samsung/dev-keypad.c b/arch/arm/plat-samsung/dev-keypad.c
new file mode 100644
index 000000000000..677c2d731b65
--- /dev/null
+++ b/arch/arm/plat-samsung/dev-keypad.c
@@ -0,0 +1,50 @@
+/*
+ * linux/arch/arm/plat-samsung/dev-keypad.c
+ *
+ * Copyright (C) 2010 Samsung Electronics Co.Ltd
+ * Author: Joonyoung Shim <jy0922.shim@samsung.com>
+ *
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ */
+
+#include <linux/platform_device.h>
+#include <mach/irqs.h>
+#include <mach/map.h>
+#include <plat/cpu.h>
+#include <plat/devs.h>
+#include <plat/keypad.h>
+
+static struct resource samsung_keypad_resources[] = {
+        [0] = {
+                .start  = SAMSUNG_PA_KEYPAD,
+                .end    = SAMSUNG_PA_KEYPAD + 0x20 - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = IRQ_KEYPAD,
+                .end    = IRQ_KEYPAD,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+struct platform_device samsung_device_keypad = {
+        .name           = "samsung-keypad",
+        .id             = -1,
+        .num_resources  = ARRAY_SIZE(samsung_keypad_resources),
+        .resource       = samsung_keypad_resources,
+};
+
+void __init samsung_keypad_set_platdata(struct samsung_keypad_platdata *pd)
+{
+        struct samsung_keypad_platdata *npd;
+
+        npd = s3c_set_platdata(pd, sizeof(struct samsung_keypad_platdata),
+                        &samsung_device_keypad);
+
+        if (!npd->cfg_gpio)
+                npd->cfg_gpio = samsung_keypad_cfg_gpio;
+}